package com.xsl.culture.mybasevideoview.utils;


import android.content.Context;
import android.util.DisplayMetrics;
import android.view.Display;
import android.view.WindowManager;

public class DisplayUtils {
    /**
     * convert px to its equivalent dp
     * <p>
     * 将px转换为与之相等的dp
     */
    public static int px2dp(Context context, float pxValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (pxValue / scale + 0.5f);
    }


    /**
     * convert dp to its equivalent px
     * <p>
     * 将dp转换为与之相等的px
     */
    public static int dp2px(Context context, float dipValue) {
        final float scale = context.getResources().getDisplayMetrics().density;
        return (int) (dipValue * scale + 0.5f);
    }


    /**
     * convert px to its equivalent sp
     * <p>
     * 将px转换为sp
     */
    public static int px2sp(Context context, float pxValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (pxValue / fontScale + 0.5f);
    }


    /**
     * convert sp to its equivalent px
     * <p>
     * 将sp转换为px
     */
    public static int sp2px(Context context, float spValue) {
        final float fontScale = context.getResources().getDisplayMetrics().scaledDensity;
        return (int) (spValue * fontScale + 0.5f);
    }

    public static int getScreenWidth(Context context) {
        DisplayMetrics dm = new DisplayMetrics();
        //((Activity) context).getWindowManager().getDefaultDisplay().getMetrics(dm);

        WindowManager wm = (WindowManager) context.getSystemService(Context.WINDOW_SERVICE);
        Display display = wm.getDefaultDisplay();
        display.getMetrics(dm);

        return dm.widthPixels;
    }

    /**
     * 获取屏幕的高
     *
     * @param context
     * @return
     */
    public static int getScreenHeight(Context context) {
        return context.getResources().getDisplayMetrics().heightPixels;
    }
}